Assignee
Inventors
- Norio Okabe (14 patents)
- Yasuharu Kameyama (7 patents)
- Katsutoshi Taga (2 patents)
- Takayuki Sato (173 patents)
- Mamoru Mita (28 patents)
- Hiroki Tanaka (252 patents)
- Hiroshi Ishikawa (263 patents)
US Patent 5837154 · Granted Nov 17, 1998